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Finding the Fourth Proportional to 63,165.45, 94,721.94 and 25,700.09

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Solution

The fourth proportional to 63,165.45, 94,721.94 and 25,700.09 is: 38,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,165.45 : 94,721.94 = 25,700.09 : x
  2. Step 2: Convert to fraction form
    63,165.45/94,721.94 = 25,700.09/x
  3. Step 3: Cross multiply
    63,165.45x = 94,721.94 × 25,700.09
  4. Step 4: Simplify right side
    63,165.45x = 2,434,361,909.36
  5. Step 5: Solve for x
    x = 2,434,361,909.36/63,165.45
  6. Step 6: Final answer
    x = 38,539.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.